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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 235 · 40 questions
TalentJR

How to work it out (Part over whole): Find the whole (the number after “of”) and the part. Percent = part ÷ whole × 100. Multiply the part by 100 first, then divide by the whole: 18 × 100 = 1800, and 1800 ÷ 72 = 25, so 25%.

NameDateTime takenScore ___ / 40
  1. 1.?% of 40 = 14
  2. 2.?% of 80 = 20
  3. 3.What percent of 80 is 12?
  4. 4.?% of 25 = 4
  5. 5.?% of 20 = 17
  6. 6.27 is what percent of 300?
  7. 7.8 is what percent of 20?
  8. 8.?% of 20 = 15
  9. 9.What percent of 50 is 9?
  10. 10.?% of 80 = 48
  11. 11.75 is what percent of 250?
  12. 12.?% of 150 = 90
  13. 13.?% of 25 = 20
  14. 14.4 is what percent of 20?
  15. 15.24 is what percent of 80?
  16. 16.What percent of 80 is 44?
  17. 17.42 is what percent of 60?
  18. 18.What percent of 300 is 270?
  19. 19.54 is what percent of 120?
  20. 20.6 is what percent of 20?
  21. 21.?% of 500 = 435
  22. 22.?% of 500 = 125
  23. 23.84 is what percent of 200?
  24. 24.?% of 200 = 66
  25. 25.What percent of 500 is 280?
  26. 26.?% of 40 = 18
  27. 27.What percent of 50 is 7?
  28. 28.What percent of 25 is 12?
  29. 29.?% of 50 = 24
  30. 30.What percent of 20 is 16?
  31. 31.What percent of 80 is 56?
  32. 32.What percent of 500 is 100?
  33. 33.What percent of 20 is 1?
  34. 34.19 is what percent of 20?
  35. 35.?% of 40 = 2
  36. 36.What percent of 150 is 78?
  37. 37.What percent of 50 is 39?
  38. 38.12 is what percent of 20?
  39. 39.What percent of 80 is 20?
  40. 40.60 is what percent of 120?

Answer key

  1. 35
  2. 25
  3. 15
  4. 16
  5. 85
  6. 9
  7. 40
  8. 75
  9. 18
  10. 60
  11. 30
  12. 60
  13. 80
  14. 20
  15. 30
  16. 55
  17. 70
  18. 90
  19. 45
  20. 30
  21. 87
  22. 25
  23. 42
  24. 33
  25. 56
  26. 45
  27. 14
  28. 48
  29. 48
  30. 80
  31. 70
  32. 20
  33. 5
  34. 95
  35. 5
  36. 52
  37. 78
  38. 60
  39. 25
  40. 50

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